Structuralism

From Ex-bankers on pushing customers to rack up debt - CNN.com:
“Americans now carry $850 billion in credit card debt. Consumer groups are lobbying Congress to include better protection for credit card holders, demanding legislation to prevent what they call unjustified interest charges and deceptive practices, especially in light of the massive financial bailout now [...]

Freakonomics, a consistent source of great material, has an outstanding (albeit very long) explanation of the events of the last few days in the financial world.  This is a great source of comprehensive information on what happened and why.
Thanks to Jeff Nolan for pointing out this gem.